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Finding the Fourth Proportional to 373,065.36, 514,830.32 and 203,299.52

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Solution

The fourth proportional to 373,065.36, 514,830.32 and 203,299.52 is: 280,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,065.36 : 514,830.32 = 203,299.52 : x
  2. Step 2: Convert to fraction form
    373,065.36/514,830.32 = 203,299.52/x
  3. Step 3: Cross multiply
    373,065.36x = 514,830.32 × 203,299.52
  4. Step 4: Simplify right side
    373,065.36x = 104,664,756,937.45
  5. Step 5: Solve for x
    x = 104,664,756,937.45/373,065.36
  6. Step 6: Final answer
    x = 280,553.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.